Home / 3,902,926.70-5,386,102.62-2,136,795.56

Finding the Fourth Proportional to 3,902,926.70, 5,386,102.62 and 2,136,795.56

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Solution

The fourth proportional to 3,902,926.70, 5,386,102.62 and 2,136,795.56 is: 2,948,812.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,902,926.70 : 5,386,102.62 = 2,136,795.56 : x
  2. Step 2: Convert to fraction form
    3,902,926.70/5,386,102.62 = 2,136,795.56/x
  3. Step 3: Cross multiply
    3,902,926.70x = 5,386,102.62 × 2,136,795.56
  4. Step 4: Simplify right side
    3,902,926.70x = 11,509,000,164,120.37
  5. Step 5: Solve for x
    x = 11,509,000,164,120.37/3,902,926.70
  6. Step 6: Final answer
    x = 2,948,812.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.